| CLASSIC MASTER ENTERPRISES LIMITED | Private company limited by shares | Live |
| SIN LOI ENVIRONMENTAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ULTRA ENGINEERING PLASTIC LIMITED | Private company limited by shares | Dissolved |
| POLY TECK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| PAK WO ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW ERA ENERGY LIMITED | Private company limited by shares | Dissolved |
| CHAMP ON ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHINESE OCEAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TAI FAT ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| MANTON ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KIN TAK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| AUTHENTIC ENVIRONMENT SERVICES LIMITED | Private company limited by shares | Dissolved |
| GLOBAL BASIC ENTERPRISES LIMITED | Private company limited by shares | Live |
| Sunrise Environmental Protection International Limited | Private company limited by shares | Dissolved |
| TIN KEI ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| FRONTIER DESIGN & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENERGY SKY LIMITED | Private company limited by shares | Live |
| SHUI MAN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WISE LUCK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| LAPSON TECHNOLOGY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| TRIUMPH VIEW ENTERPRISE LIMITED | Private company limited by shares | Live |
| JET INN ENGINEERING LIMITED | Private company limited by shares | Live |
| AB ENGINEERING LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL & OUTDOOR EDUCATION LIMITED | Private company limited by shares | Live |
| HILSON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WIN KEY ENGINEERING LIMITED | Private company limited by shares | Live |
| KING-TECH ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| EAST FORD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| EXCELLENT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SUPERB AIM ENTERPRISE LIMITED | Private company limited by shares | Live |
| FLAMING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GOLDMINE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| NICE WIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Y. T. CENTURY ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HK LUCKY ENGINEERING PLASTIC ALUMINIUM PRODUCTS LIMITED | Private company limited by shares | Live |
| M2 ENGINEERING LIMITED | Private company limited by shares | Live |
| MULTIWAY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SHUI BO ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HCMC ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| YIU WAH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOYTEX ENTERPRISES LIMITED | Private company limited by shares | Live |
| HIP WAH ENGINEERING LIMITED | Private company limited by shares | Live |
| CREATIVE DESIGN ENGINEERING LIMITED | Private company limited by shares | Live |
| TEAM CREATIVE ENGINEERING LIMITED | Private company limited by shares | Live |
| OPPORTUNE ENGINEERING LIMITED | Private company limited by shares | Live |
| OSM ENTERPRISE LIMITED | Private company limited by shares | Live |
| M ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| METROSAFE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GAMMA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Enagic HK Co., Limited | Private company limited by shares | Live |
| MENWISE DESIGN & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KA MAN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| KENTOP ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TAT FAT ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SEAWORLD ENTERPRISE LIMITED | Private company limited by shares | Live |
| TRANGO ENERGY SHARES COMPANY LIMITED | Private company limited by shares | Live |
| PK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| YAT SAN MECHANICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| ASCENDANT ENVIRONMENTAL PROTECTION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| EUPHORIA ENTERPRISE LIMITED | Private company limited by shares | Live |
| OCEAN LINK CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| WINNER TOP ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WAH KEE GAS ENGINEERING LIMITED | Private company limited by shares | Live |
| EVERFULLS ENTERPRISES LIMITED | Private company limited by shares | Live |
| ONFULL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GRAND & WELL ENTERPRISES LIMITED | Private company limited by shares | Live |
| XIN JIANG HE YI ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| AKA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BRIGHTVEW ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ENERTEC COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAX DRAGON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| EURO EXPRESS ENTERPRISES CO., LIMITED | Private company limited by shares | Dissolved |
| GOOD TEAM ENTERPRISES LIMITED | Private company limited by shares | Live |
| ZHONGCHUANG ENGINEERING PLASTIC LIMITED | Private company limited by shares | Dissolved |
| ESIL ENTERPRISE LIMITED | Private company limited by shares | Live |
| NEW LEGEND ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHONG FAT CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| OCEAN SUCCESS ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| DELTA CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| WELL JOY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TAI DAY ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| LabPro Environmental Hygiene (HK) Limited | Private company limited by shares | Dissolved |
| HILL BOND ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GRANDER CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SILVER CAPITAL CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| YELLOW RIVER ENGINEERING LIMITED | Private company limited by shares | Live |
| TALENT ADVISOR ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HIP HING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| BEST TIME ENGINEERING LIMITED | Private company limited by shares | Live |
| PARKVIEW ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CELI THERMOTECH ENGINEERING AND MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| SOUTH BRIGHT ENVIRONMENTAL PROTECTION INVESTMENT LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENT LIMITED | Private company limited by shares | Dissolved |
| ARTIST ENGINEER LIMITED | Private company limited by shares | Dissolved |
| CYE REPRO ENVIRONMENT DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| WISE DRAGON ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HONGKONG LONGMEI ENVIRONMENT PROTECTION CO., LIMITED | Private company limited by shares | Dissolved |
| TAN KEE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WAN KEE CONSTRUCTION & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| J & M ENTERPRISES LIMITED | Private company limited by shares | Dissolved |